EP1071533B1 - Cutting tool for producing toothed articles - Google Patents

Cutting tool for producing toothed articles Download PDF

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Publication number
EP1071533B1
EP1071533B1 EP99932480A EP99932480A EP1071533B1 EP 1071533 B1 EP1071533 B1 EP 1071533B1 EP 99932480 A EP99932480 A EP 99932480A EP 99932480 A EP99932480 A EP 99932480A EP 1071533 B1 EP1071533 B1 EP 1071533B1
Authority
EP
European Patent Office
Prior art keywords
cutting
body member
cutter body
extending
cutter
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
EP99932480A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP1071533A1 (en
Inventor
Hermann J. Stadtfeld
Raymond E. Clark
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Gleason Works
Original Assignee
Gleason Works
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Gleason Works filed Critical Gleason Works
Publication of EP1071533A1 publication Critical patent/EP1071533A1/en
Application granted granted Critical
Publication of EP1071533B1 publication Critical patent/EP1071533B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23F—MAKING GEARS OR TOOTHED RACKS
    • B23F21/00—Tools specially adapted for use in machines for manufacturing gear teeth
    • B23F21/12—Milling tools
    • B23F21/22—Face-mills for longitudinally-curved gear teeth
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23F—MAKING GEARS OR TOOTHED RACKS
    • B23F21/00—Tools specially adapted for use in machines for manufacturing gear teeth
    • B23F21/12—Milling tools
    • B23F21/22—Face-mills for longitudinally-curved gear teeth
    • B23F21/223—Face-mills for longitudinally-curved gear teeth with inserted cutting elements
    • B23F21/226—Face-mills for longitudinally-curved gear teeth with inserted cutting elements in exchangeable arrangement
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T407/00—Cutters, for shaping
    • Y10T407/17—Gear cutting tool
    • Y10T407/1705—Face mill gear cutting tool
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T407/00—Cutters, for shaping
    • Y10T407/19—Rotary cutting tool
    • Y10T407/1906—Rotary cutting tool including holder [i.e., head] having seat for inserted tool
    • Y10T407/1926—Plural simultaneously usable separable tools in common seat or common clamp actuator for plural simultaneously usable tools
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T407/00—Cutters, for shaping
    • Y10T407/19—Rotary cutting tool
    • Y10T407/1906—Rotary cutting tool including holder [i.e., head] having seat for inserted tool
    • Y10T407/1934—Rotary cutting tool including holder [i.e., head] having seat for inserted tool with separate means to fasten tool to holder
    • Y10T407/1938—Wedge clamp element
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T407/00—Cutters, for shaping
    • Y10T407/19—Rotary cutting tool
    • Y10T407/1952—Having peripherally spaced teeth
    • Y10T407/1956—Circumferentially staggered
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T407/00—Cutters, for shaping
    • Y10T407/24—Cutters, for shaping with chip breaker, guide or deflector

Definitions

  • the present invention is generally directed to a cutter body member according to the preamble of claim 1.
  • a circular cutter body having a plurality of slots extending inwardly a predetermined distance from the periphery of the cutter body for receiving and positioning cutting blades in the cutter body.
  • a clamping ring or locking ring
  • Cutting tools including a clamping ring and blade clamping means can be seen, for example, in U.S. Patents Nos. 4,621,954 to Kitchen et al.; 3,760,476 to Kotthaus; 4,093,391 to Bachmann et al.; or 4,197,038 to Hipp et al.
  • the positioning slots in a cutter head have been in a generally rectangular form of opposing side walls and an inner end wall which is perpendicular to the side walls.
  • some clearance must be included in the slot dimensions in order for a cutting blade to be positioned in the slot.
  • the blade receiving slots comprise opposing side surfaces and an end portion comprising blade mounting surfaces which are angled toward one another with each mounting surface preferably extending at an angle of about 45 degrees with respect to its associated side surface.
  • WO 97/39851 further discloses a cutter head comprising a plurality of double-dovetail shaped projections located on the outer portion of the cutter head body member.
  • the double-dovetail projections are positioned in a complementary-shaped channel of a two-part cutter ring.
  • the parts of the cutter ring are positioned above and below the projection and then drawn together by several screws thus securing the clamping ring to the cutter head body.
  • the present invention provides a cutter body member according to claim 1.
  • the individual projections of the outer portion of the cutter body member each comprise an outer surface with at least one of the outer surfaces optionally including a protrusion.
  • the present invention provides a cutting tool according to claim 6.
  • the clamping ring extending about the cutter body member of the cutting tool may include at least one respective slot for receiving the protrusion on the cutter body member projection.
  • the clamping ring may include an inner channel which provides clearance such that clamping means can be withdrawn partially thereinto thus creating sufficient room in the blade receiving slot to remove and/or insert cutting blades.
  • the cutting tool of the present invention comprises a cutter body member, and a clamping ring which together comprise a cutter head.
  • the cutting tool further includes cutting blades and clamping means to secure the cutting blades in position in the cutter head.
  • the cutter body member 2 is rotatable about an axis T and comprises a front surface 4 and a back surface 6 which may include a keyway 8 into which a key on a machine tool spindle is inserted when the cutting tool is mounted on the machine tool.
  • the outer portion of the cutter body member 2 includes a plurality of individual projections 10 between which is defined cutting blade receiving slots 12 which are oriented at a desired hook angle as is known in the art.
  • Each of the projections 10 has an outer surface 14 and least one, and preferably all, of the projections outer surfaces 14 includes a protrusion 16 of a form, usually rectangular, which generally corresponds to respective receiving slots in the clamping ring as will be described in detail below.
  • the front surface 4 of the cutter head may further include an annular depression 18 located concentric about the axis T.
  • interference can occur between the workpiece and the face of the cutting tool.
  • the annular depression 18 sufficient clearance is created to allow the tool and workpiece to be properly positioned for cutting without interference.
  • FIG. 5 is an enlarged view of two successive blade receiving slots 12, however, the following description applies to all slots in the cutter head.
  • the slots each comprise opposing first and second side surfaces 20, 22.
  • Each slot also includes an inner end portion comprising first mounting surface 24 and second mounting surface 26.
  • First and second mounting surfaces 24, 26 extend toward one another with first mounting surface 24 extending at an angle A of less than 90 degrees with respect to first side surface 20 and second mounting surface 26 extending at an angle B of less than 90 degrees with respect to second side surface 22.
  • First and second mounting surfaces 24, 26 extend toward one another and terminate short of their intersection at an innermost groove 28 known as a "check" which serves to provide machining clearance when finishing the mounting surfaces because a tool cannot adequately and repeatedly machine a sharp corner and besides, a sharp corner causes stress concentration.
  • angle A will be equal to about 60 degrees and angle B will be equal to about 30 degrees.
  • the angular orientations of the mounting surfaces will be reversed.
  • the steeper mounting surface (26 in Figure 5) be positioned to absorb a greater amount of the cutting forces than the other mounting surface. The steeper surface directs more of the cutting forces inward toward the center of the cutter head thus reducing the tendency for cracks to develop between the projections 10 because there are less tangential forces exerted on the projections.
  • the back surface of a cutting blade should be positioned against the steeper mounting surface.
  • cutter head strength the following cutter heads were evaluated:
  • the test was conducted by mounting a cutting blade in a slot of each of the above cutter heads and exerting a force in the appropriate direction on the cutting edge of the cutting blade so as to emulate actual cutting. The force was increased on each cutter head until cracks appeared in the cutter head.
  • the conventional cutter head (1) exhibited cracks at a force of 4,800 pounds. while the cutter head with 45 degree mounting surfaces (2) cracked at 6,100 pounds.
  • the cutter head of the present invention (3) cracked at 9,200 pounds, thus clearly showing a significant increase in strength over the other two cutter heads.
  • Each blade receiving slot 12 preferably further includes a first shoulder 30 and a second shoulder 32 at the intersection of the respective side surface with its mounting surface.
  • the purpose of these shoulders is to provide a small amount of clearance C (e.g. about 0.005 inch (0.127 mm)) between a cutting blade 34 and the first and second sides of the receiving slot 12. See Figure 6. With this arrangement, all contact between the cutting blade 34 and the receiving slot 12 occurs at the seating surfaces 24, 26 thus creating a positive seating of the cutting blade against these mounting surfaces.
  • a clamping ring 40 Positioned around the cutter body member 2 is a clamping ring 40 as seen in Figure 7 which illustrates a bottom view thereof.
  • the clamping ring 40 is heated to about 400° F (204° C) to expand the ring diameter sufficiently to allow the heated ring to be placed over the cutter body member 2 ( Figure 9).
  • the ring diameter shrinks thus adhering the clamping ring 40 to the cutter body member 2.
  • the clamping ring 40 is placed about the cutter body member such that the protrusions 16 on the outer surface 14 of the projections 10 are inserted into respective slots 42 located in the inside of the clamping ring 40 ( Figure 10).
  • the protrusion 16 and the receiving slot 42 may be spot welded together, as shown by 52 in Figure 10, to further ensure the adherence of the clamping ring 40 to the cutter body member 2 and prevent any relative rotation between the two components during cutting operations.
  • two cutting blade blanks 34 are shown positioned in receiving slots in Figures 9 and 10.
  • the clamping ring 40 is also included in the clamping ring 40 .
  • Blade clamping means discussed below, are positioned via screws extending through threaded holes 46. With this arrangement, the clamping means can be retained in the channel when the screws are withdrawn thus allowing cutting blades to be inserted into and removed from the receiving slot 12 without the clamping means falling from the receiving slot.
  • the receiving slots 42 into which the protrusions 16 are inserted when the clamping ring 40 is placed about the cutter body member 2.
  • the clamping ring further includes a top surface 48 as well as a tapered bottom surface 50 which not only reduces the weight of the cutter head, but also forms a convenient handle to grasp for moving the cutter head.
  • the cutting blade clamping means is shown in Figures 11-14.
  • the clamping block 60 is shown in Figure 11 wherein the clamping block is shown in an unclamped position.
  • the clamp block includes a front surface 70 which contacts a cutting blade and a back surface 72.
  • the clamping means includes a housing 62 integral with the clamp block 60 for receiving the head portion 64 of a clamping screw 66 as shown in Figure 14.
  • the threaded portion of the clamping screw 66 is connected to the head portion 64 via a neck portion 68.
  • the receiving housing 62 comprises a generally box-like shape with an open bottom and a front portion 74 having a semi-circular opening 76 ( Figure 12) formed therein.
  • the semi-circular opening 76 is large enough to fit over the neck portion 68 of the clamping screw 66 but is small enough to prevent passage of the larger-diameter head portion 64 therethrough.
  • the top surface 79 of the clamp block may be angled as shown in Figure 12 by an amount to match the hook angle of the receiving slot 12 in the cutter head.
  • the back surface 72 of the clamp block 60 should be machined to be essentially parallel with the front surface 70 as is shown by 78 in Figure 13. This will allow the head portion 64 of the clamp screw 66 to evenly seat against the back surface 72 when clamping a cutting blade into position in the receiving slot 12 as is illustrated in Figure 15.
  • clamping screw 66 When it is necessary to remove or insert a cutting blade into a receiving slot 12 of the cutter head, clamping screw 66 is rotated to withdraw it from the clamping ring 40. This movement results in the head portion 64 engaging the inside surface 81 of the front portion 74 of the receiving housing 62 thus moving the clamp block 60 toward the inside surface of the clamping ring 40.
  • the receiving housing 74 is of a size whereby is fits into inner channel 44 of the clamping ring 40 as can be seen in Figure 14.
  • the back surface 72 of the clamp block 60 is an angled surface, as seen in Figure 13, which approximates the curvature of the inner surface of the clamping ring 40 thereby allowing the back surface 72 of the clamp block 60 to be positioned against the inner surface of the clamping ring 40. With this arrangement, sufficient clearance is provided to insert and/or remove a cutting blade from a receiving slot while maintaining the clamp block 60 in position in the receiving slot 12 of the cutter head.
  • the form of the front surface 70 of clamping block 60 is similar to that disclosed in previously discussed WO 97/39851 in that the form of the front surface 70 is generally concave-shaped, preferably constructed from through-hardened spring steel.
  • the advantage of this form is that when clamped against a cutting blade, clamping forces are exhibited not only in line with the force of the clamping screw 66, but damping forces are also present at the ends of the clamping block 60 due to the form of the clamping block 60 and the increased forces created at the ends of the clamping block 60 when it is elastically distorted from its original concave shape to an essentially flat form against a cutting blade.
  • clamp screw and/or attachment means is located asymmetrically along the length of the clamp block thus providing differing clamp pressures at the ends of the clamp block.
  • This arrangement is beneficial when additional damping pressure is desired near the cutting end of a cutting blade such as in those situations where a significant length of cutting blade extends beyond the face of the cutter head.
  • the concave clamp block controls the clamp force and pressure distribution between the clamp block the cutting blade.
  • the radius of curvature of the concave clamp block is the control parameter and this permits a "built-in" mechanism to control clamping pressure by varying the radius of curvature of the clamp block.
  • Figure 15 shows cutting blades 80 and 82 clamped into position in a cutter head of the present invention.
  • Clamp screws 66 have been rotated inwardly thus engaging clamp screw head portion 64 with the surface 78 within receiving housing 62 thereby moving the receiving housing 62 in an inward direction out of the inner channel 44 while simultaneously moving clamp block 60 inward into contact with a side surface of cutting blades 80 and 82.
  • Cutting blades 80 and 82 are shown in Figure 15 as having respective rake faces 84, 86 inclined in opposite directions whereby it is understood by the artisan that given the direction of cutter rotation, R, as shown, cutting blade 80 is an outside cutting blade and will cut a concave tooth flank of a workpiece while cutting blade 82 is an inside cutting blade and will cut a convex tooth flank of the workpiece.
  • a cutting blade blank 88 suitable for positioning if the receiving slots 12 of the inventive cutting tool is shown in Figure 16.
  • the general form of the cutting blade is that as shown in previously discussed WO 97/39851 except that instead of mounting surfaces 96 and 98 each being oriented at 45 degrees with respect to their respective side surfaces 90 and 92 as is preferred in the above-mentioned publication, the mounting surfaces are oriented at an angle A equal to 60 degrees and an angle B equal to 30 degrees as can be seen in Figure 17. These angles correspond to angles A and B shown with respect to the mounting surfaces 24, 26 of the blade receiving slots 12 in Figures 5 and 6.
  • Cutting blade blank 88 further includes outer end surface 94 and inner end surface 100.
  • the cutting blade blank 88 may be made of any suitable tool material such as high speed tool steel (e.g. M4) or carbide such as Fine Grain or Ultra-Fine Grain K-grade WC-Co or K-P grades WC with one or more of Co, Ti and Ta.
  • high speed tool steel e.g. M4
  • carbide such as Fine Grain or Ultra-Fine Grain K-grade WC-Co or K-P grades WC with one or more of Co, Ti and Ta.
  • Figures 18 and 19 illustrate, in enlarged fashion, cross-sectional views of cutting blades 80 and 82 having rake faces 84 and 86 (as seen in Figure 15) with the dashed lines indicating the stock material removed from a blade blank, such as the blade blank of Figures 16 and 17, in order to form the rake faces shown.
  • the end 102 would have cutting and clearance side profile surfaces formed thereon. It can also be recognized that angle A could be measured with respect to side surface 92 if rake faces 84 or 86 are present.
  • Figure 20 shows such cutting blade 80 whose cross-section is shown in Figure 18.
  • Cutting blade 80 includes a cutting side profile surface 108 which forms a cutting edge 110 at its intersection with front rake face 84.
  • a clearance side profile surface (not shown) is formed on the opposite side of cutting blade 80 and its intersection with front rake surface 84 and mounting surface 96 form respective clearance edges 112 and 114.
  • Cutting blade 80 also includes a tip 116 oriented at a relief angle ⁇ . If desired, cutting blade 80 may further include a slot extending lengthwise in the front surface of the blade for forming a secondary cutting edge as is known from previously discussed U.S. Patent No. 4,575,285.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Milling Processes (AREA)
  • Turning (AREA)
EP99932480A 1998-02-11 1999-02-10 Cutting tool for producing toothed articles Expired - Lifetime EP1071533B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US7428498P 1998-02-11 1998-02-11
US74284P 1998-02-11
PCT/US1999/003021 WO1999041035A1 (en) 1998-02-11 1999-02-10 Cutting tool for producing toothed articles

Publications (2)

Publication Number Publication Date
EP1071533A1 EP1071533A1 (en) 2001-01-31
EP1071533B1 true EP1071533B1 (en) 2004-04-07

Family

ID=22118758

Family Applications (1)

Application Number Title Priority Date Filing Date
EP99932480A Expired - Lifetime EP1071533B1 (en) 1998-02-11 1999-02-10 Cutting tool for producing toothed articles

Country Status (12)

Country Link
US (1) US6120217A (xx)
EP (1) EP1071533B1 (xx)
JP (1) JP4355447B2 (xx)
KR (1) KR100568883B1 (xx)
CN (1) CN1123418C (xx)
AT (1) ATE263649T1 (xx)
AU (1) AU741126B2 (xx)
BR (1) BR9907809A (xx)
CA (1) CA2320312A1 (xx)
DE (1) DE69916258T2 (xx)
TR (1) TR200002296T2 (xx)
WO (1) WO1999041035A1 (xx)

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IL129665A (en) * 1999-04-29 2008-06-05 Rafael Morgulis A spinning and putting tool for him
DE10112165B4 (de) 2001-03-12 2004-02-05 Rainer Richardt Stabmesserkopf zum Verzahnen
DE10112729B4 (de) * 2001-03-14 2007-01-18 Rainer Richardt Werkzeughalter mit ringförmigem Stabmesserkopf
US6632050B2 (en) * 2001-09-06 2003-10-14 Kennametal Inc. Face hobbing cutter
EP1472048B1 (en) * 2002-02-07 2010-03-17 The Gleason Works Method of grinding cutting blades
AU2004230856B2 (en) * 2003-03-31 2008-07-24 The Gleason Works Coolant delivery apparatus for machine tool
EP1592529B2 (de) † 2003-05-22 2011-03-09 Klingelnberg GmbH Stabmesser zum fräsen von spiralkegel- und hypoidrädern
JP4624739B2 (ja) * 2004-08-24 2011-02-02 株式会社恵美須屋工具製作所 歯切り用回転切削工具
US7520698B2 (en) * 2004-12-20 2009-04-21 Gleason Cutting Tools Corporation Cutting tool for gears and other toothed articles
US8267624B2 (en) * 2005-06-27 2012-09-18 The Gleason Works Full point width cutting blades
WO2008106051A1 (en) * 2007-02-26 2008-09-04 Greenleaf Technology Corporation Slotting cutter and inserts for same
DE102011050451A1 (de) * 2011-05-18 2012-11-22 Renate Richardt Stabmesserkopf, Beschichtungsabdeckvorrichtung und Verfahren zum Schleifen und Beschichten von austauschbaren Stabmessern eines Stabmesserkopfes
MX357653B (es) 2012-11-09 2018-07-18 The Gleason Works Cortador de engranes con capacidad de ajuste radial de cuchillas de varilla.
WO2014176169A2 (en) 2013-04-22 2014-10-30 The Gleason Works Skiving of cylindrical gears
BR112015026431A2 (pt) 2013-04-25 2017-07-25 The Gleason Works fresa com bedames assentados positivos para corte de engrenagem biselada
KR102227667B1 (ko) * 2013-09-04 2021-03-15 더 글리슨 웍스 스틱 블레이드를 이용한 외주 절삭 공구
WO2017136329A1 (en) 2016-02-01 2017-08-10 The Gleason Works Mono-blade bevel gear cutting tool
WO2018093755A1 (en) 2016-11-15 2018-05-24 The Gleason Works Cutter with positive seated round blades sticks for bevel gear cutting
WO2019014509A1 (en) 2017-07-13 2019-01-17 The Gleason Works MACHINE FOR TILLING CONICAL GEAR DENTURES AND BLADE CONSOLIDATION
US11585368B2 (en) 2019-02-22 2023-02-21 The Gleason Works Self-locking screw for bevel gear cutter
DE102019002514B4 (de) * 2019-04-05 2020-11-12 Rainer Richardt Vorrichtung und Verfahren zum Schleifen/Nachschleifen von Schneidköpfen der Stabmesser für Stirnstabmesserköpfe, und Verfahren zum Schleifen/Nachschleifen von Schneidköpfen der Stabmesser für Umfangsstabmesserköpfe
WO2024026278A1 (en) 2022-07-29 2024-02-01 The Gleason Works Bevel gear cutting tool having four-sided, non-rectangular cutter head slots and cutting blades

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US1073873A (en) * 1912-12-21 1913-09-23 Elmer E Smith Metal-cutting-off device.
US2173848A (en) * 1937-12-27 1939-09-26 Ingersoll Milling Machine Co Cutter and blade therefor
CH534020A (de) * 1971-02-12 1973-02-28 Oerlikon Buehrle Ag Stirnmesserkopf
DD121731A1 (xx) * 1975-03-06 1976-08-20
US4197038A (en) * 1978-03-07 1980-04-08 VEB Werkzeugkombinat Schalmalkalden Face milling cutter head with rod-shaped cutters
US4278370A (en) * 1979-05-25 1981-07-14 The Gleason Works Cutting tool
US4575285A (en) * 1984-11-19 1986-03-11 The Gleason Works Cutting tool and method of manufacture
US4575286A (en) * 1984-11-19 1986-03-11 The Gleason Works Gear cutter assembly
SE458178B (sv) * 1987-07-06 1989-03-06 Sandvik Ab Fraesverktyg med skaerfoersedd kassett
US5183089A (en) * 1992-01-28 1993-02-02 Weyerhaeuser Company Chipper knife assembly
EP0912285B1 (en) * 1996-04-25 2003-05-14 The Gleason Works Cutting tool for toothed articles

Also Published As

Publication number Publication date
KR20010040894A (ko) 2001-05-15
US6120217A (en) 2000-09-19
DE69916258T2 (de) 2005-05-19
CA2320312A1 (en) 1999-08-19
AU741126B2 (en) 2001-11-22
AU3290999A (en) 1999-08-30
CN1290201A (zh) 2001-04-04
WO1999041035A1 (en) 1999-08-19
DE69916258D1 (de) 2004-05-13
JP2002502719A (ja) 2002-01-29
CN1123418C (zh) 2003-10-08
EP1071533A1 (en) 2001-01-31
KR100568883B1 (ko) 2006-04-10
JP4355447B2 (ja) 2009-11-04
ATE263649T1 (de) 2004-04-15
TR200002296T2 (tr) 2001-08-21
BR9907809A (pt) 2000-10-17

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